Allow App Installation from Unknown Sources - HTC

Your device and personal data are more vulnerable to threats such as Ransomware from apps downloaded from unknown sources. Here's some additional info about downloading from unknown sources and protecting your device against Ransomware.

Android® 8.x and higher

From a Home screen, navigate: Apps icon > Settings .

Tap Apps.

Tap the Menu icon (upper-right).

Tap Configure apps.

From the 'Advanced' section, tap Special app access.

Tap Install unknown apps.

Tap the desired app (e.g., Chrome, Gmail, Drive, etc.) then tap Allow from this source to turn on or off.

Android 7.x and below

From a Home screen, navigate: Apps icon > Settings .

Tap Security.

Tap Unknown sources to enable or disable. Enabled when a check mark is present.